/**********************************************************************
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* Copyright: (C)2023 LingYun IoT System Studio
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* Author: GuoWenxue<guowenxue@gmail.com> QQ: 281143292
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* Description: ESP32 WiFi/BLE module application API
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*
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* ChangeLog:
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* Version Date Author Description
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* V1.0.0 2023.04.3 GuoWenxue Release initial version
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***********************************************************************/
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#include <string.h>
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#include "esp32.h"
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int esp32_hwreset(comport_t *comport)
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{
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uint32_t tickstart = 0;
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int bytes;
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/* Clear the receive buffer */
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rb_clear(&comport->rb);
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/* Reset WiFi module by hardware GPIO */
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HAL_GPIO_WritePin(WiFiRst_GPIO_Port, WiFiRst_Pin, GPIO_PIN_RESET);
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HAL_Delay(500);
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HAL_GPIO_WritePin(WiFiRst_GPIO_Port, WiFiRst_Pin, GPIO_PIN_SET);
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/* Check module bootup information */
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tickstart = HAL_GetTick();
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while((HAL_GetTick() - tickstart) < 5000)
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{
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bytes = rb_data_size(&comport->rb);
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HAL_Delay( 100 );
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/* comport received data before but not receive in 100ms now, maybe data receive over */
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if( bytes>0 && rb_data_size(&comport->rb)==bytes )
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{
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break;
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}
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}
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/* WiFi module maybe not present */
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if( rb_data_size(&comport->rb) <= 0 )
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{
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printf("ERROR: WiFi module maybe not present\r\n");
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return -1;
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}
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/* Wait for 'ready' and cleanup */
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HAL_Delay(500);
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rb_clear(&comport->rb);
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return 0;
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}
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int esp32_init_module(comport_t *comport)
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{
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int rv;
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char version[256] = {0};
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if( !comport )
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return -1;
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esp32_hwreset(comport);
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esp32_set_echo(comport, DISABLE);
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//esp32_set_sysstore(comport, ENABLE);
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rv = esp32_get_firmware(comport, version, sizeof(version));
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if( rv < 0)
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{
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log_error("Query ESP32 firmware version failed: %d\n", rv);
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return rv;
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}
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log_info("ESP32 firmware version:\n%s\n", version);
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return 0;
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}
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int esp32_setup_softap(comport_t *comport, char *ssid, char *pwd)
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{
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esp32_set_wmode(comport, MODE_SOFTAP, ENABLE);
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esp32_set_ipaddr(comport, MODE_SOFTAP, DEF_SOFTAP_IPADDR, DEF_SOFTAP_IPADDR);
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esp32_set_dhcp(comport, MODE_SOFTAP, ENABLE);
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esp32_set_softap(comport, ssid, pwd, 11, MODE_WPA2PSK);
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return 0;
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}
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int esp32_join_network(comport_t *comport, char *ssid, char *pwd)
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{
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int rv, status = 0;
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int times=10;
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char buf[128] = {0};
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if( !comport )
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return -1;
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esp32_join_status(comport, &status, buf);
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if( 2==status && !strcmp(buf, ssid) )
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{
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log_info("ESP32 connected to \"%s\" already\n", ssid);
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return 0;
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}
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esp32_set_wmode(comport, MODE_STATION, ENABLE);
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esp32_set_dhcp(comport, MODE_STATION, ENABLE);
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rv = esp32_connect_ap(comport, ssid, pwd);
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if( rv < 0 )
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{
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log_error("connect to AP \"%s\" failed, rv=%d", ssid, rv);
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return rv;
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}
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while(times--)
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{
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rv = esp32_join_status(comport, &status, buf);
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if( 2 == status )
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{
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log_info("ESP32 connected to \"%s\" already\n", ssid);
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return 0;
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}
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rv = -3;
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}
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return rv;
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}
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int esp32_check_network(comport_t *comport)
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{
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int rv, times=5;
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char ip[IP_LEN] = {0};
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char gateway[IP_LEN] = {0};
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memset(ip, 0, sizeof(ip));
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memset(gateway, 0, sizeof(gateway));
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rv = esp32_get_ipaddr(comport, MODE_STATION, ip, gateway);
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if( rv<0 )
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return rv;
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if( !strlen(ip) || !strlen(gateway) )
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return -3;
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log_info("IP address: %s, netmask: %s\n", ip, gateway);
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while( times-- )
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{
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if( !(rv=esp32_ping(comport, gateway, 5000)) )
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{
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rv = 0;
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break;
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}
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}
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return 0;
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}
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int esp32_setup_tcp_server(comport_t *comport, int port)
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{
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int rv;
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rv = esp32_set_socket_mux(comport, ENABLE);
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if(rv<0)
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return rv;
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rv = esp32_set_socket_clients(comport, 2);
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if(rv<0)
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return rv;
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rv = esp32_set_tcp_server(comport, port);
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if(rv<0)
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return rv;
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rv = esp32_set_socket_timeout(comport, 600);
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if(rv<0)
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return rv;
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return 0;
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}
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int esp32_setup_tcp_client(comport_t *comport, char *host, int port)
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{
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int rv;
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rv = esp32_set_tcp_client(comport, DISABLE, host, port);
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if(rv<0)
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return rv;
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return 0;
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}
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